HUP9904689A3 - Process for reducing the molecular weight of copolymers and terpolymers of ethylene - Google Patents

Process for reducing the molecular weight of copolymers and terpolymers of ethylene

Info

Publication number
HUP9904689A3
HUP9904689A3 HU9904689A HUP9904689A HUP9904689A3 HU P9904689 A3 HUP9904689 A3 HU P9904689A3 HU 9904689 A HU9904689 A HU 9904689A HU P9904689 A HUP9904689 A HU P9904689A HU P9904689 A3 HUP9904689 A3 HU P9904689A3
Authority
HU
Hungary
Prior art keywords
terpolymers
copolymers
ethylene
reducing
molecular weight
Prior art date
Application number
HU9904689A
Other languages
English (en)
Hungarian (hu)
Original Assignee
Enichem Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Enichem Spa filed Critical Enichem Spa
Publication of HU9904689D0 publication Critical patent/HU9904689D0/hu
Publication of HUP9904689A2 publication Critical patent/HUP9904689A2/hu
Publication of HUP9904689A3 publication Critical patent/HUP9904689A3/hu

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/50—Partial depolymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • C08F210/18—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers with non-conjugated dienes, e.g. EPT rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymerization Catalysts (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
HU9904689A 1998-12-22 1999-12-21 Process for reducing the molecular weight of copolymers and terpolymers of ethylene HUP9904689A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1998MI002774A IT1304499B1 (it) 1998-12-22 1998-12-22 Procedimento per ridurre il peso molecolare di copolimeri eterpolimeri dell'etilene.

Publications (3)

Publication Number Publication Date
HU9904689D0 HU9904689D0 (en) 2000-02-28
HUP9904689A2 HUP9904689A2 (hu) 2000-10-28
HUP9904689A3 true HUP9904689A3 (en) 2001-01-29

Family

ID=11381305

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9904689A HUP9904689A3 (en) 1998-12-22 1999-12-21 Process for reducing the molecular weight of copolymers and terpolymers of ethylene

Country Status (27)

Country Link
US (1) US6211332B1 (id)
EP (1) EP1013673B1 (id)
JP (1) JP4860020B2 (id)
KR (1) KR20000048239A (id)
CN (1) CN1117107C (id)
AR (1) AR022004A1 (id)
AT (1) ATE287419T1 (id)
AU (1) AU767675B2 (id)
BG (1) BG63722B1 (id)
BR (1) BR9905941A (id)
CA (1) CA2292313A1 (id)
CZ (1) CZ293026B6 (id)
DE (1) DE69923284T2 (id)
EA (1) EA002491B1 (id)
ES (1) ES2237036T3 (id)
HR (1) HRP990389A2 (id)
HU (1) HUP9904689A3 (id)
ID (1) ID24399A (id)
IT (1) IT1304499B1 (id)
MY (1) MY119952A (id)
NO (1) NO996213L (id)
NZ (1) NZ501811A (id)
PL (1) PL337357A1 (id)
SK (1) SK183099A3 (id)
TR (1) TR199903202A2 (id)
TW (1) TW585878B (id)
UA (1) UA66795C2 (id)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004217913A (ja) * 2002-12-27 2004-08-05 Nof Corp 水酸基変性エチレン−α−オレフィン系共重合体及びその組成物並びに水酸基変性エチレン−α−オレフィン系共重合体の製造方法
WO2004060933A1 (ja) * 2002-12-27 2004-07-22 Nof Corporation 水酸基変性エチレン−α−オレフィン系共重合体の製造方法
ITMI20030629A1 (it) * 2003-03-31 2004-10-01 Polimeri Europa Spa Composizione elastomerica per l'isolamento di cavi elettrici.
ITMI20032550A1 (it) 2003-12-22 2005-06-23 Polimeri Europa Spa Mescole elastomeriche a base di nerofumo
ITMI20040751A1 (it) * 2004-04-16 2004-07-16 Polimeri Europa Spa Procedimento per modificare le proprieta' reologiche di polimeri ep d m e miscele di ep d m con poli-alfaolefine
JP2006022237A (ja) * 2004-07-09 2006-01-26 Nof Corp ゴム組成物および架橋物
ITMI20041672A1 (it) 2004-08-27 2004-11-27 Polimeri Europa Spa Copolimeri etilene-propilene a migliorata stabilita' di forma adatti alla modifica degli oli lubrificanti e procedimento per la loro preparazione
ITMI20042289A1 (it) 2004-11-26 2005-02-26 Polimeri Europa Spa Processo migliorato per ottenere masters elastomerici contenenti cariche inorganiche
ITMI20042399A1 (it) * 2004-12-16 2005-03-16 Polimeri Europa Spa Additivi per oli lubrificanti aventi migliorata stabilita' di forma e migliorate prestazioni a bassa temperatura e procedimento per la loro preparazione
ITMI20060286A1 (it) * 2006-02-16 2007-08-17 Polimeri Europa Spa Copolimeri etilene-propilene adatti alla modifica degli oli lubrificanti e procedimento per la loro preparazione
JP5702300B2 (ja) * 2008-12-16 2015-04-15 エイチ アール ディー コーポレーション ワックスの高せん断酸化
DE102010052287A1 (de) * 2010-03-25 2011-09-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Modifizierte Polyolefine
US9115237B2 (en) 2012-07-18 2015-08-25 Chevron Oronite Company Llc Viscosity improver grafted with unsaturated acylating agent and an aryloxyalylkene monoamine
EP3405554B1 (en) 2016-01-22 2019-12-25 Chevron Oronite Company LLC Lubricating oil composition containing a mixture of olefin copolymer dispersant-type viscosity improver and amine compound
CN110078848B (zh) * 2019-04-08 2022-04-29 江苏龙蟠科技股份有限公司 一种液体乙丙橡胶的制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB988846A (en) * 1964-02-05 1965-04-14 Sun Oil Co Processing of ethylene-propylene copolymer
DE1902178A1 (de) * 1969-01-17 1970-07-30 Western Petrochemical Corp Polyaethylene sowie Verfahren zu deren Herstellung
FR2508047B1 (fr) * 1981-06-22 1985-10-11 Bp Chimie Sa Procede de traitement de polyethylene de basse densite lineaire par des peroxydes organiques, generateurs de radicaux libres
DE3274455D1 (en) * 1981-08-22 1987-01-15 Showa Denko Kk Propylene-ethylene random copolymer, production process thereof, and film derived therefrom
US4743391A (en) * 1983-03-28 1988-05-10 Chevron Research Company Method for oxidatively degrading an olefinic polymer
US4749505A (en) * 1985-07-08 1988-06-07 Exxon Chemical Patents Inc. Olefin polymer viscosity index improver additive useful in oil compositions
JPS63101438A (ja) * 1986-10-17 1988-05-06 Kayaku Nuurii Kk 付加重合型プラスチツクの製造方法
DE3642266A1 (de) * 1986-12-11 1987-04-23 Rauer Kurt Abbau von polyethylen mittels radikalbildner
FR2613722B1 (fr) * 1987-04-07 1990-11-23 Bp Chimie Sa Procede de fabrication de granules d'homopolymere ou de copolymere de propylene
CN1092430A (zh) * 1989-10-25 1994-09-21 陶氏化学公司 纸张涂料组合物用的胶乳共聚物
IT1252069B (it) 1991-11-25 1995-05-29 Enichem Elastomers Processo per la preparazione di copolimeri elastomerici dell'etilene
IT1275452B (it) 1995-06-30 1997-08-07 Enichem Elastomers Procedimento per la preparazione di copolimeri etilene-propilene
TW322494B (id) * 1995-09-14 1997-12-11 Enichem Elastomeri Srl
IT1283587B1 (it) 1996-04-11 1998-04-22 Enichem Elastomers Procedimento per la preparazione di miscele polimeriche a base di copolimeri elastomerici ep(d)m

Also Published As

Publication number Publication date
EA002491B1 (ru) 2002-06-27
CZ293026B6 (cs) 2004-01-14
CN1260354A (zh) 2000-07-19
CZ462099A3 (cs) 2000-07-12
BR9905941A (pt) 2000-08-15
NO996213D0 (no) 1999-12-15
ES2237036T3 (es) 2005-07-16
HRP990389A2 (en) 2000-10-31
HU9904689D0 (en) 2000-02-28
JP4860020B2 (ja) 2012-01-25
TR199903202A3 (tr) 2000-07-21
CN1117107C (zh) 2003-08-06
EA200000147A2 (ru) 2000-06-26
ITMI982774A1 (it) 2000-06-22
HUP9904689A2 (hu) 2000-10-28
IT1304499B1 (it) 2001-03-19
DE69923284T2 (de) 2006-01-12
US6211332B1 (en) 2001-04-03
DE69923284D1 (de) 2005-02-24
ATE287419T1 (de) 2005-02-15
CA2292313A1 (en) 2000-06-22
NO996213L (no) 2000-06-23
EP1013673A1 (en) 2000-06-28
EP1013673B1 (en) 2005-01-19
KR20000048239A (ko) 2000-07-25
TR199903202A2 (xx) 2000-07-21
EA200000147A3 (ru) 2000-10-30
JP2000191725A (ja) 2000-07-11
UA66795C2 (uk) 2004-06-15
MY119952A (en) 2005-08-30
SK183099A3 (en) 2000-11-07
NZ501811A (en) 2001-04-27
BG63722B1 (bg) 2002-10-31
ID24399A (id) 2000-07-13
AU6529899A (en) 2000-06-29
BG104015A (en) 2001-08-31
AU767675B2 (en) 2003-11-20
AR022004A1 (es) 2002-09-04
TW585878B (en) 2004-05-01
PL337357A1 (en) 2000-07-03

Similar Documents

Publication Publication Date Title
PT1177225E (pt) Copolímeros de etileno e respectivos filmes
PL341677A1 (en) Ethylene homopolymers and copolymers
PL329952A1 (en) Polyolefinic composition exibiting maximum molecular weight in its portion of highest comonomer content
SG65055A1 (en) Process for preparing continuously variable- compositions copolymers
PL337605A1 (en) Ethylene polymer compositions and articles made of them
HUP9904689A3 (en) Process for reducing the molecular weight of copolymers and terpolymers of ethylene
EP0992519A4 (en) BLOCKCOPOLYMER
GB9826881D0 (en) Coupled polymers and process for preparing the same
AU1235701A (en) Molecular weight reduction of olefin copolymers
AU3305199A (en) Article cradle
IT1284927B1 (it) Procedimento per la preparazione di copolimeri etilene propilene a basso tenore in cloro residuo
HUP0004751A3 (en) Process for producing copolymers of ethylene and at least one other olefin
AU2411997A (en) Process for the preparation of an ethylene and alpha-olefin copolymer
GB2338222B (en) Slings
PL345629A1 (en) Ethylene terpolymers and process for their preparation
GB9709756D0 (en) Packaging of articles
GB2333943B (en) Useful article sets
PL351502A1 (en) Ethylene copolymers and films thereof
HK1043385A1 (zh) 具有生態和生物性能的飲料及其製備方法
HUP0101834A3 (en) Method for polymerising and copolymerising ethylene
AU1822697A (en) Methods, compositions and articles for contraception
HUP9700664A3 (en) Ethylene terpolymers, process for obtaining it, compositions consisting terpolymers and objects manufactured from this compositions
KR0132727B1 (en) Ethylene copolymer composition
GB9901519D0 (en) Safety system for dimmer switches and like articles
TW348828U (en) Adjustable safe and quick connection